Question

Resolva a equação do 2° grau usando Bhaskara.

A) X²-14X+48=0

Answer 1

X²-14X+48=0
a=1
b= -14
c= 48

∆=b^2-4.a.c
∆= (-14)^2-4.1.48
∆= 196 - 192
∆= 4

x= -b+-✓∆/2.a

x= -(-14)+-✓4/2.1

x= +14+-2/2

x'= +14+2/2
x'= +16/2
x'= +8

x"= +14 -2/2
x"= +12/2
x"= +6

S={8;6}